Display device

Abstract

A display device includes a display panel including a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, a first support layer which is disposed below the display panel and in which a plurality of first holes overlapping the first non-folding area and the second non-folding area are defined, and a reinforcing part disposed below the first support layer. The reinforcing part includes a reinforcing layer disposed below the first support layer and a plurality of dummies extending from the reinforcing layer and disposed into the plurality of first holes.

What is claimed is: 
     
       1. A display device comprising:
 a display panel which comprises a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction; 
 a first support layer which is disposed below the display panel and in which a plurality of first holes overlapping the first non-folding area and the second non-folding area are defined; and 
 a reinforcing part disposed below the first support layer, the reinforcing part comprises:
 a reinforcing layer disposed below the first support layer; and 
 a plurality of dummies extending from the reinforcing layer and disposed into the plurality of first holes, 
 wherein the first holes are formed by penetrating the first support layer, and 
 wherein the reinforcing layer entirely overlaps the first and second non-folding areas when viewed in a plan view. 
 
 
     
     
       2. The display device of  claim 1 , wherein the plurality of first holes are arranged along the first direction and along a second direction which crosses the first direction. 
     
     
       3. The display device of  claim 2 , wherein the reinforcing layer comprises:
 a first reinforcing layer overlapping the first non-folding area; and 
 a second reinforcing layer overlapping the second non-folding area and spaced apart from the first reinforcing layer along the first direction. 
 
     
     
       4. The display device of  claim 3 , wherein the plurality of dummies comprise:
 a plurality of first dummies extending from the first reinforcing layer; and 
 a plurality of second dummies extending from the second reinforcing layer. 
 
     
     
       5. The display device of  claim 1 , wherein
 the first support layer comprises a metal material, and 
 the plurality of dummies comprise a nonmetallic material. 
 
     
     
       6. The display device of  claim 1 , wherein a plurality of second holes overlapping the folding area are defined in the first support layer. 
     
     
       7. The display device of  claim 1 , further comprising a digitizer module disposed between the display panel and the first support layer. 
     
     
       8. The display device of  claim 7 , further comprising a shielding sheet disposed below the first support layer and the reinforcing part. 
     
     
       9. The display device of  claim 8 , wherein the shielding sheet comprises:
 a first shielding sheet which overlaps the first non-folding area and a first portion of the folding area; and 
 a second shielding sheet which overlaps the second non-folding area and a second portion of the folding area and is spaced apart from the first shielding sheet along the first direction. 
 
     
     
       10. The display device of  claim 9 , further comprising a compensation layer which overlap the folding area and is between the first support layer and the shielding sheet. 
     
     
       11. The display device of  claim 1 , further comprising a second support layer disposed below the first support layer,
 wherein the second support layer comprises:
 a first plate overlapping the first non-folding area; and 
 a second plate overlapping the second non-folding area and spaced apart from the first plate along the first direction. 
 
 
     
     
       12. The display device of  claim 1 , wherein, when the folding area is folded about a folding axis extending in a second direction crossing the first direction, the display panel is in-folded so that a top surface of the first non-folding area faces a top surface of the second non-folding area. 
     
     
       13. The display device of  claim 1 , wherein, when viewed in the plan view, the plurality of first holes have a polygonal shape. 
     
     
       14. The display device of  claim 13 , wherein the plurality of first holes extend along the first direction. 
     
     
       15. The display device of  claim 1 , wherein, when viewed in the plan view, the plurality of first holes have a circular shape. 
     
     
       16. A display device comprising:
 a display panel which comprises a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction; 
 a first support layer which is disposed below the display panel, and in which a first hole overlapping each of the first and second non-folding areas and a second hole overlapping the folding area are defined; 
 a reinforcing layer disposed below the first support layer; and 
 a plurality of dummies disposed in the first hole, 
 wherein the first holes are formed by penetrating the first support layer, and 
 wherein the reinforcing layer entirely overlaps the first and second non-folding areas when viewed in a plan view. 
 
     
     
       17. The display device of  claim 16 , further comprising:
 a first reinforcing layer disposed below the first support layer and overlapping the first non-folding area; and 
 a second reinforcing layer disposed below the first support layer and overlapping the second non-folding area. 
 
     
     
       18. The display device of  claim 16 , further comprising:
 a digitizer module disposed between the display panel and the first support layer; and a shielding sheet disposed below the first support layer and the reinforcing part. 
 
     
     
       19. The display device of  claim 16 , wherein the first hole is provided in plurality, the plurality of first hole are arranged along the first direction and along a second direction which crosses the first direction. 
     
     
       20. A display device comprising:
 a display panel comprising a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction; 
 a digitizer module disposed below the display panel; 
 a first support layer which is disposed below the digitizer module, and comprises a first section and a second section, each having a first hole defined therein, and a third section disposed between the first section and the second section and having a second hole defined therein; 
 a reinforcing part disposed below the first support layer, the reinforcing part comprising:
 a reinforcing layer disposed below the first support layer; and 
 a plurality of dummies extending from the reinforcing layer and disposed into the plurality of first holes; 
 
 a first shielding sheet disposed between the reinforcing part and the first section; and 
 a second shielding sheet disposed between the reinforcing part and the second section and spaced apart from the first shielding sheet, 
 wherein the first hole is formed by penetrating the first support layer, and 
 wherein the reinforcing layer entirely overlaps the first and second non-folding areas when viewed in a plan view.